KÜHLMANN, K U (4 April 2002). "Evaluations of marine reserves as basis to develop alternative livelihoods in coastal areas of the Philippines". Aquaculture International. 10 (6): 527–549. doi:10.1023/A:1023955626357. S2CID34771759.
KÜHLMANN, K U (4 April 2002). "Evaluations of marine reserves as basis to develop alternative livelihoods in coastal areas of the Philippines". Aquaculture International. 10 (6): 527–549. doi:10.1023/A:1023955626357. S2CID34771759.